How do you solve #x^ { \frac { 2} { 3} } - 2x ^ { \frac { 1} { 3} } - 8= 0#?
1 Answer
Dec 23, 2016
We use a new variable
Explanation:
This is a normal quadratic equation:
Factorize:
Two solutions:
(1)
(2)
graph{x^(2/3)-2x^(1/3)-8 [-42.8, 88.87, -23.9, 42]}